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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.375 by root, Sun Sep 30 20:22:21 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		63
59	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		98
84	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
87	binmode STDOUT;	106	binmode STDOUT;
88	binmode STDERR;	107	binmode STDERR;
89		108
90	# read virtual server time, if available	109	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
95	}	114	}
96		115
97	mkdir cf::localdir;	116	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		118
104	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
105		120
106	sub cf::map::normalise;	121	sub cf::map::normalise;
107		122
…		…
118	=item $cf::RUNTIME	133	=item $cf::RUNTIME
119		134
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	136	every server tick.
122		137
123	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		141
125	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
127		146
128	=item $cf::NOW	147	=item $cf::NOW
129		148
130	The time of the last (current) server tick.	149	The time of the last (current) server tick.
131		150
132	=item $cf::TICK	151	=item $cf::TICK
133		152
134	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
135		164
136	=item %cf::CFG	165	=item %cf::CFG
137		166
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
139	from wherever your confdir points to.	168	from wherever your confdir points to.
140		169
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		171
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
147		181
148	=back	182	=back
149		183
150	=cut	184	=cut
151		185
152	BEGIN {	186	BEGIN {
153	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	188	my $msg = join "", @_;
155	utf8::encode $msg;
156		189
157	$msg .= "\n"	190	$msg .= "\n"
158	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159		194
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		206
171	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
277	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
278		400
279	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
284		406
285	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
286		408
287	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
288		410
289	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
292		415
293	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
296	fast or be very important.	419	fast or be very important.
…		…
299		422
300	sub sync_job(&) {	423	sub sync_job(&) {
301	my ($job) = @_;	424	my ($job) = @_;
302		425
303	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
304	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
306		431
307	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
310		435
311	my $busy = 1;	436	my $busy = 1;
312	my @res;	437	my @res;
313		438
314	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	441	@res = eval { $job->() };
316	warn $@ if $@;	442	warn $@ if $@;
317	undef $busy;	443	undef $busy;
318	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
319		445
320	while ($busy) {	446	while ($busy) {
321	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
322	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
323		456
324	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
325	} else {	458	} else {
326	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
327		460
…		…
347	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
348		481
349	$coro	482	$coro
350	}	483	}
351		484
352	sub write_runtime {	485	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		486
355	my $runtime = cf::localdir . "/runtime";	487	Executes the given code block with the given arguments in a seperate
		488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
356		491
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	492	=cut
358	or return;
359		493
360	my $value = $cf::RUNTIME + 90 + 10;	494	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	495	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		496
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	497	# we seemingly have to make a local copy of the whole thing,
365	and return;	498	# otherwise perl prematurely frees the stuff :/
		499	# TODO: investigate and fix (likely this will be rather laborious)
366		500
367	# always fsync - this file is important	501	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	502	reset_signals;
369	and return;	503	&$cb
		504	}, @args;
370		505
371	close $fh	506	wantarray ? @res : $res[-1]
372	or return;	507	}
373		508
374	aio_rename "$runtime~", $runtime	509	=item $value = cf::db_get $family => $key
375	and return;
376		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
377	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
378	}	634	}
379		635
380	=item cf::datalog type => key => value, ...	636	=item cf::datalog type => key => value, ...
381		637
382	Log a datalog packet of the given type with the given key-value pairs.	638	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
402		658
403	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	661	Crossfire TRT).
406		662
407	=over 4	663	=over 4
408		664
409	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
410		666
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
574		830
575	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		835
580	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	837	my $pkg = shift @arg;
582		838
583	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
613	}	869	}
614		870
615	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
616	} else {	872	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	874	}
619		875
620	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
621	}	877	}
622		878
…		…
624	if (ref $_[0]) {	880	if (ref $_[0]) {
625	_object_attach @_;	881	_object_attach @_;
626	} else {	882	} else {
627	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
628	}	884	}
		885	_recalc_want;
629	};	886	};
630		887
631	# all those should be optimised	888	# all those should be optimised
632	sub cf::attachable::detach {	889	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
637	reattach ($obj);	894	reattach ($obj);
638	} else {	895	} else {
639	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
640	}	897	}
		898	_recalc_want;
641	};	899	};
642		900
643	sub cf::attachable::attached {	901	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
645		903
…		…
660	";	918	";
661	die if $@;	919	die if $@;
662	}	920	}
663		921
664	our $override;	922	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		924
667	sub override {	925	sub override {
668	$override = 1;	926	$override = 1;
669	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
670	}	928	}
671		929
672	sub do_invoke {	930	sub do_invoke {
673	my $event = shift;	931	my $event = shift;
674	my $callbacks = shift;	932	my $callbacks = shift;
675		933
676	@invoke_results = ();	934	@INVOKE_RESULTS = ();
677		935
678	local $override;	936	local $override;
679		937
680	for (@$callbacks) {	938	for (@$callbacks) {
681	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
698		956
699	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
700		958
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		962
705	=back	963	=back
706		964
707	=cut	965	=cut
708		966
709	#############################################################################	967	#############################################################################
710	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
711		980
712	sub reattach {	981	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	983	my ($obj) = @_;
715		984
…		…
762	sub object_freezer_save {	1031	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
764		1033
765	sync_job {	1034	sync_job {
766	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
769		1039
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
792	}	1062	}
793	} else {	1063	} else {
794	aio_unlink $filename;	1064	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
796	}	1066	}
797	}	1067	};
798	}	1068	}
799		1069
800	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
802		1072
…		…
814	or return;	1084	or return;
815		1085
816	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
818	or return;	1088	or return;
		1089
819	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
820	}	1091	}
821		1092
		1093	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
824	return ($data, $av);	1097	($data, $av)
825	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
826		1105
827	#############################################################################	1106	#############################################################################
828	# command handling &c	1107	# command handling &c
829		1108
830	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1123	}
845		1124
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1126
848	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
849		1132
850	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
851	called.	1134	called.
852		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
853	=cut	1147	=cut
854		1148
855	sub register_extcmd {	1149	sub register_extcmd {
856	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
857		1151
858	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
859	}	1159	}
860		1160
861	cf::player->attach (	1161	cf::player->attach (
862	on_command => sub {	1162	on_command => sub {
863	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1172	cf::override;
873	},	1173	},
874	on_extcmd => sub {	1174	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
876		1176
877	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1178
879	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
885	} else {	1194	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1196	}
888		1197
889	cf::override;	1198	cf::override;
890	},	1199	},
891	);	1200	);
892		1201
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
928	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1207	next unless -r $path;
930	eval {	1208
931	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
932	1	1266	}
933	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
934	}	1272	};
935	}	1273	}
936		1274
937	#############################################################################	1275	#############################################################################
938		1276
		1277	=back
		1278
939	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
940		1280
941	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
942		1282
943	=cut	1283	=cut
…		…
948		1288
949	=head3 cf::player	1289	=head3 cf::player
950		1290
951	=over 4	1291	=over 4
952		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
953	=item cf::player::find $login	1307	=item cf::player::find $login
954		1308
955	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
956		1310
957	=cut	1311	=cut
958		1312
959	sub playerdir($) {	1313	sub playerdir($) {
960	cf::localdir	1314	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1316	}
966		1317
967	sub path($) {	1318	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1349	aio_unlink +(playerdir $login) . "/$login.pl";
999		1350
1000	my $pl = load_pl path $login	1351	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
1003	}	1359	}
1004	}	1360	}
1005	}	1361	}
1006		1362
…		…
1016		1372
1017	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1019		1375
1020	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1021	Coro::cede;	1377	cf::cede_to_tick;
1022	}	1378	}
1023		1379
1024	sub new($) {	1380	sub new($) {
1025	my ($login) = @_;	1381	my ($login) = @_;
1026		1382
…		…
1030	$self->{deny_save} = 1;	1386	$self->{deny_save} = 1;
1031		1387
1032	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1033		1389
1034	$self	1390	$self
		1391	}
		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
1035	}	1401	}
1036		1402
1037	=item $pl->quit_character	1403	=item $pl->quit_character
1038		1404
1039	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1089		1455
1090	=cut	1456	=cut
1091		1457
1092	sub list_logins {	1458	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1460	or return [];
1095		1461
1096	my @logins;	1462	my @logins;
1097		1463
1098	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1102		1473
1103	utf8::decode $login;	1474	utf8::decode $login;
1104	push @logins, $login;	1475	push @logins, $login;
1105	}	1476	}
1106		1477
…		…
1133	}	1504	}
1134		1505
1135	\@paths	1506	\@paths
1136	}	1507	}
1137		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1138	=item $player->ext_reply ($msgid, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1139		1561
1140	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1141		1563
1142	=cut	1564	=cut
1143		1565
1144	sub ext_reply($$%) {	1566	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1146		1568
1147	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1570	}
1151		1571
1152	=item $player->ext_event ($type, %msg)	1572	=item $player->ext_msg ($type, @msg)
1153		1573
1154	Sends an ext event to the client.	1574	Sends an ext event to the client.
1155		1575
1156	=cut	1576	=cut
1157		1577
1158	sub ext_event($$%) {	1578	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1579	my ($self, $type, @msg) = @_;
1160		1580
1161	$self->ns->ext_event ($type, %msg);	1581	$self->ns->ext_msg ($type, @msg);
1162	}	1582	}
1163		1583
1164	package cf;	1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1165		1612
1166	=back	1613	=back
1167
1168		1614
1169	=head3 cf::map	1615	=head3 cf::map
1170		1616
1171	=over 4	1617	=over 4
1172		1618
…		…
1227	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1228		1674
1229	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1230	local $self->{path};	1676	local $self->{path};
1231	local $self->{load_path};	1677	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1678
1235	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1236	}	1680	}
1237		1681
1238	sub normalise {	1682	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1286	return $self;	1730	return $self;
1287	}	1731	}
1288	}	1732	}
1289		1733
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1735	()
1292	}	1736	}
1293		1737
1294	sub init {	1738	sub init {
1295	my ($self) = @_;	1739	my ($self) = @_;
…		…
1310		1754
1311	# the original (read-only) location	1755	# the original (read-only) location
1312	sub load_path {	1756	sub load_path {
1313	my ($self) = @_;	1757	my ($self) = @_;
1314		1758
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1316	}	1760	}
1317		1761
1318	# the temporary/swap location	1762	# the temporary/swap location
1319	sub save_path {	1763	sub save_path {
1320	my ($self) = @_;	1764	my ($self) = @_;
1321		1765
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1324	}	1768	}
1325		1769
1326	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1327	sub uniq_path {	1771	sub uniq_path {
1328	my ($self) = @_;	1772	my ($self) = @_;
1329		1773
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1332	}	1776	}
1333		1777
1334	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1335	# all maps in C++...	1779	# all maps in C++...
1336	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1338		1782
1339	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1341	}	1785	}
1342		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1343	sub unlink_save {	1795	sub unlink_save {
1344	my ($self) = @_;	1796	my ($self) = @_;
1345		1797
1346	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1802
1351	sub load_header_from($) {	1803	sub load_header_from($) {
1352	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1353		1805
1354	utf8::encode $path;	1806	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1360		1815
1361	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1362		1817
1363	1	1818	1
1364	}	1819	}
…		…
1403	$self->load_header_orig	1858	$self->load_header_orig
1404	or return;	1859	or return;
1405	$self->prepare_orig;	1860	$self->prepare_orig;
1406	}	1861	}
1407		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1408	1	1869	1
1409	}	1870	}
1410		1871
1411	sub find;	1872	sub find;
1412	sub find {	1873	sub find {
1413	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1414		1875
1415	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1416		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1418		1880
1419	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1420	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1421	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1422	or return;	1886	or return;
1423		1887
1424	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1425		1889
1426	$map->load_header	1890	$map->load_header
1427	or return;	1891	or return;
1428		1892
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1432	$map->reset;	1898	$map->reset;
1433	undef $guard;
1434	return find $path;	1899	return find $path;
1435	}	1900	}
1436		1901
1437	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1438	}	1903	}
…		…
1445	my ($self) = @_;	1910	my ($self) = @_;
1446		1911
1447	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1448		1913
1449	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1450	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1451		1918
		1919	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		1921
1454	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1455		1923
1456	$self->alloc;	1924	$self->alloc;
1457		1925
1458	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1459		1928
1460	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1461	or return;	1932	or return;
1462		1933
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	1935	if delete $self->{load_original};
1465		1936
1466	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	1938	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	1941	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1471	}	1945	}
1472	}	1946	}
1473		1947
1474	Coro::cede;	1948	$f->resolve_delayed_derefs;
1475		1949
		1950	cf::cede_to_tick;
1476	# now do the right thing for maps	1951	# now do the right thing for maps
1477	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	1954	unless $self->difficulty;
1487	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1488	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1971	}
1490		1972
1491	$self->post_load;	1973	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	1974	}
1495		1975
1496	sub customise_for {	1976	sub customise_for {
1497	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1498		1978
1499	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	1980	if $self->per_player;
1501		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1502	$self	1985	$self
1503	}	1986	}
1504		1987
1505	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	1989	sub load_neighbours {
1507	my ($map) = @_;	1990	my ($map) = @_;
1508		1991
1509	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1510		1993
1511	for (0 .. 3) {	1994	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1513	or next;	1996	or next;
1514	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1515	or next;	1998	or next;
1516	$neigh->load;	1999	$neigh->load;
1517		2000
		2001	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2004	}
1521		2005
1522	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1524	or next;	2009	or next;
1525	$neigh->load;	2010	$neigh->load;
1526	}	2011	}
1527	}	2012	}
1528		2013
…		…
1533	}	2018	}
1534		2019
1535	sub do_load_sync {	2020	sub do_load_sync {
1536	my ($map) = @_;	2021	my ($map) = @_;
1537		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1538	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1539	}	2027	}
1540		2028
1541	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1543		2031
1544	sub find_async {	2032	sub find_async {
1545	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1546		2034
1547	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1548		2036
1549	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2039	}
1552		2040
1553	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1554	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1555	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2048	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2049	$map->load if $v;
		2050	}
1560		2051
1561	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1562	}	2053	}
1563	}	2054	}
1564	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1565	};	2056	};
1566	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2060	}
1570		2061
1571	sub save {	2062	sub save {
1572	my ($self) = @_;	2063	my ($self) = @_;
1573		2064
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2066
1576	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1577		2068
1578	return unless $self->dirty;	2069	return unless $self->dirty;
1579		2070
…		…
1585	return if $self->{deny_save};	2076	return if $self->{deny_save};
1586		2077
1587	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1588		2079
1589	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1591	};	2083	};
1592		2084
1593	if ($uniq) {	2085	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1602	my ($self) = @_;	2094	my ($self) = @_;
1603		2095
1604	# save first because save cedes	2096	# save first because save cedes
1605	$self->save;	2097	$self->save;
1606		2098
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2100
1609	return if $self->players;	2101	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2103	return if $self->{deny_save};
1612		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2109	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2110	}
1616		2111
1617	sub reset_at {	2112	sub reset_at {
1618	my ($self) = @_;	2113	my ($self) = @_;
1619		2114
1620	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1623		2117
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2120
…		…
1637	my ($self) = @_;	2131	my ($self) = @_;
1638		2132
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2134
1641	return if $self->players;	2135	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2136
1644	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
1645		2138
1646	$self->in_memory (cf::MAP_SWAPPED);	2139	$self->in_memory (cf::MAP_SWAPPED);
1647		2140
1648	# need to save uniques path	2141	# need to save uniques path
1649	unless ($self->{deny_save}) {	2142	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2146	if $uniq;
1654	}	2147	}
1655		2148
1656	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1657		2150
		2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2153	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2154
1662	$self->unlink_save;	2155	$self->unlink_save;
1663	$self->destroy;	2156	$self->destroy;
1664	}	2157	}
1665		2158
1666	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1667		2160
1668	sub nuke {	2161	sub nuke {
1669	my ($self) = @_;	2162	my ($self) = @_;
1670		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1671	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1672		2168
1673	$self->unlink_save;	2169	$self->unlink_save;
1674		2170
1675	bless $self, "cf::map";	2171	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2176
1681	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1682		2179
1683	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1684	}	2217	}
1685		2218
1686	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1687		2220
1688	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2222	instantiated unique items. May block.
1690		2223
1691	=cut	2224	=cut
1692		2225
1693	sub unique_maps() {	2226	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1695	or return;	2228	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2229	utf8::decode $_;
1701	next if /\.pst$/;	2230	/\.map$/
1702	next unless /^$PATH_SEP/o;	2231	? normalise $_
1703		2232	: ()
1704	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2234	]
1706
1707	\@paths
1708	}	2235	}
1709		2236
1710	package cf;	2237	package cf;
1711		2238
1712	=back	2239	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1731	}	2258	}
1732		2259
1733	sub inv_recursive {	2260	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	# temporary compatibility#TODO#remove
		2279	$ref =~ s{^<}{player/<};
		2280
		2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2282	my ($uuid, $name) = ($1, $2);
		2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2284	or return;
		2285	$pl->ob->uuid eq $uuid
		2286	or return;
		2287
		2288	$pl->ob
		2289	} else {
		2290	warn "$ref: cannot resolve object reference\n";
		2291	undef
		2292	}
1735	}	2293	}
1736		2294
1737	package cf;	2295	package cf;
1738		2296
1739	=back	2297	=back
…		…
1758		2316
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2317	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2318
1761	if ($self->{record_replies}) {	2319	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2320	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2321
1763	} else {	2322	} else {
		2323	my $pl = $self->contr;
		2324
		2325	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2326	my $dialog = $pl->{npc_dialog};
		2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2328
		2329	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2330	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2331	$self->message ($msg, $flags);
		2332	}
1766	}	2333	}
		2334	}
		2335
		2336	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2337
		2338	=cut
		2339
		2340	sub cf::object::send_msg {
		2341	my $pl = shift->contr
		2342	or return;
		2343	$pl->send_msg (@_);
1767	}	2344	}
1768		2345
1769	=item $player_object->may ("access")	2346	=item $player_object->may ("access")
1770		2347
1771	Returns wether the given player is authorized to access resource "access"	2348	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2395	$self->deactivate_recursive;
1819		2396
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2397	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2398
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2400	if $self->map && $self->map->{path} ne "{link}";
1824		2401
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2403	}
1827		2404
1828	sub cf::object::player::leave_link {	2405	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2406	my ($self, $map, $x, $y) = @_;
		2407
		2408	return unless $self->contr->active;
1830		2409
1831	my $link_pos = delete $self->{_link_pos};	2410	my $link_pos = delete $self->{_link_pos};
1832		2411
1833	unless ($map) {	2412	unless ($map) {
1834	# restore original map position	2413	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2427	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2428	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2429	if $x <=0 && $y <= 0;
1851		2430
1852	$map->load;	2431	$map->load;
1853	$map->load_diag;	2432	$map->load_neighbours;
1854		2433
1855	return unless $self->contr->active;	2434	return unless $self->contr->active;
1856	$self->activate_recursive;	2435	$self->activate_recursive;
1857		2436
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2438	$self->enter_map ($map, $x, $y);
1860	}	2439	}
1861		2440
1862	cf::player->attach (	2441	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2442
1866	# abort map switching before logout	2443	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2444	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2445	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2446	the new (success) or old (failed) map position. In either case, $done will
1870	};	2447	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2448
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2449	=cut
		2450
		2451	our $GOTOGEN;
1897		2452
1898	sub cf::object::player::goto {	2453	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2454	my ($self, $path, $x, $y, $check, $done) = @_;
		2455
		2456	# do generation counting so two concurrent goto's will be executed in-order
		2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2458
1901	$self->enter_link;	2459	$self->enter_link;
1902		2460
1903	(async {	2461	(async {
		2462	$Coro::current->{desc} = "player::goto $path $x $y";
		2463
		2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
1904	my $map = eval {	2483	my $map = eval {
1905	my $map = cf::map::find $path;	2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
		2488	$map = $check->($map) if $check && $map;
		2489	} else {
		2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
		2492
1907	$map	2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2499	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1912	})->prio (1);	2507	})->prio (1);
1913	}	2508	}
1914		2509
1915	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1916		2511
…		…
1955		2550
1956	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1957		2552
1958	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2555	my $meta = "$RANDOMDIR/$md5.meta";
1961		2556
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2559	undef $fh;
1965	aio_rename "$meta~", $meta;	2560	aio_rename "$meta~", $meta;
…		…
1985	my $hp = $exit->stats->hp;	2580	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2581	my $sp = $exit->stats->sp;
1987		2582
1988	$self->enter_link;	2583	$self->enter_link;
1989		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
		2588
1990	(async {	2589	(async {
		2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2591
1991	$self->deactivate_recursive; # just to be sure	2592	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2593	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2594	$self->goto ($slaying, $hp, $sp);
1994		2595
1995	1;	2596	1;
…		…
2021		2622
2022	utf8::encode $text;	2623	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2625	}
2025		2626
		2627	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2628
		2629	Send a drawinfo or msg packet to the client, formatting the msg for the
		2630	client if neccessary. C<$type> should be a string identifying the type of
		2631	the message, with C<log> being the default. If C<$color> is negative, suppress
		2632	the message unless the client supports the msg packet.
		2633
		2634	=cut
		2635
		2636	our %CHANNEL = (
		2637	"c/identify" => {
		2638	id => "infobox",
		2639	title => "Identify",
		2640	reply => undef,
		2641	tooltip => "Items recently identified",
		2642	},
		2643	"c/examine" => {
		2644	id => "infobox",
		2645	title => "Examine",
		2646	reply => undef,
		2647	tooltip => "Signs and other items you examined",
		2648	},
		2649	"c/lookat" => {
		2650	id => "infobox",
		2651	title => "Look",
		2652	reply => undef,
		2653	tooltip => "What you saw there",
		2654	},
		2655	);
		2656
		2657	sub cf::client::send_msg {
		2658	my ($self, $channel, $msg, $color, @extra) = @_;
		2659
		2660	$msg = $self->pl->expand_cfpod ($msg);
		2661
		2662	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2663
		2664	# check predefined channels, for the benefit of C
		2665	if ($CHANNEL{$channel}) {
		2666	$channel = $CHANNEL{$channel};
		2667
		2668	$self->ext_msg (channel_info => $channel)
		2669	if $self->can_msg;
		2670
		2671	$channel = $channel->{id};
		2672
		2673	} elsif (ref $channel) {
		2674	# send meta info to client, if not yet sent
		2675	unless (exists $self->{channel}{$channel->{id}}) {
		2676	$self->{channel}{$channel->{id}} = $channel;
		2677	$self->ext_msg (channel_info => $channel)
		2678	if $self->can_msg;
		2679	}
		2680
		2681	$channel = $channel->{id};
		2682	}
		2683
		2684	return unless @extra || length $msg;
		2685
		2686	if ($self->can_msg) {
		2687	# default colour, mask it out
		2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2689	if $color & cf::NDI_DEF;
		2690
		2691	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2693	} else {
		2694	if ($color >= 0) {
		2695	# replace some tags by gcfclient-compatible ones
		2696	for ($msg) {
		2697	1 while
		2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2703	}
		2704
		2705	$color &= cf::NDI_COLOR_MASK;
		2706
		2707	utf8::encode $msg;
		2708
		2709	if (0 && $msg =~ /\[/) {
		2710	# COMMAND/INFO
		2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2712	} else {
		2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2714	$self->send_packet ("drawinfo $color $msg")
		2715	}
		2716	}
		2717	}
		2718	}
		2719
2026	=item $client->ext_event ($type, %msg)	2720	=item $client->ext_msg ($type, @msg)
2027		2721
2028	Sends an exti event to the client.	2722	Sends an ext event to the client.
2029		2723
2030	=cut	2724	=cut
2031		2725
2032	sub cf::client::ext_event($$%) {	2726	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2727	my ($self, $type, @msg) = @_;
2034		2728
		2729	if ($self->extcmd == 2) {
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2731	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2732	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2734	}
		2735	}
		2736
		2737	=item $client->ext_reply ($msgid, @msg)
		2738
		2739	Sends an ext reply to the client.
		2740
		2741	=cut
		2742
		2743	sub cf::client::ext_reply($$@) {
		2744	my ($self, $id, @msg) = @_;
		2745
		2746	if ($self->extcmd == 2) {
		2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2748	} elsif ($self->extcmd == 1) {
		2749	#TODO: version 1, remove
		2750	unshift @msg, msgtype => "reply", msgid => $id;
		2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2752	}
2037	}	2753	}
2038		2754
2039	=item $success = $client->query ($flags, "text", \&cb)	2755	=item $success = $client->query ($flags, "text", \&cb)
2040		2756
2041	Queues a query to the client, calling the given callback with	2757	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2758	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2759	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2760
2045	Queries can fail, so check the return code. Or don't, as queries will become	2761	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2762	become reliable at some point in the future.
2047		2763
2048	=cut	2764	=cut
2049		2765
2050	sub cf::client::query {	2766	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2767	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2775	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2776	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2777
2062	$self->send_packet ($self->{query_queue}[0][0])	2778	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2779	if @{ $self->{query_queue} } == 1;
		2780
		2781	1
2064	}	2782	}
2065		2783
2066	cf::client->attach (	2784	cf::client->attach (
		2785	on_connect => sub {
		2786	my ($ns) = @_;
		2787
		2788	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2789	},
2067	on_reply => sub {	2790	on_reply => sub {
2068	my ($ns, $msg) = @_;	2791	my ($ns, $msg) = @_;
2069		2792
2070	# this weird shuffling is so that direct followup queries	2793	# this weird shuffling is so that direct followup queries
2071	# get handled first	2794	# get handled first
…		…
2083	} else {	2806	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2807	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2808	}
2086	}	2809	}
2087	},	2810	},
		2811	on_exticmd => sub {
		2812	my ($ns, $buf) = @_;
		2813
		2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2815
		2816	if (ref $msg) {
		2817	my ($type, $reply, @payload) =
		2818	"ARRAY" eq ref $msg
		2819	? @$msg
		2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2821
		2822	my @reply;
		2823
		2824	if (my $cb = $EXTICMD{$type}) {
		2825	@reply = $cb->($ns, @payload);
		2826	}
		2827
		2828	$ns->ext_reply ($reply, @reply)
		2829	if $reply;
		2830
		2831	} else {
		2832	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2833	}
		2834
		2835	cf::override;
		2836	},
2088	);	2837	);
2089		2838
2090	=item $client->async (\&cb)	2839	=item $client->async (\&cb)
2091		2840
2092	Create a new coroutine, running the specified callback. The coroutine will	2841	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	2882	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	2883	our $safe_hole = new Safe::Hole;
2135		2884
2136	$SIG{FPE} = 'IGNORE';	2885	$SIG{FPE} = 'IGNORE';
2137		2886
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2887	$safe->permit_only (Opcode::opset qw(
		2888	:base_core :base_mem :base_orig :base_math
		2889	grepstart grepwhile mapstart mapwhile
		2890	sort time
		2891	));
2139		2892
2140	# here we export the classes and methods available to script code	2893	# here we export the classes and methods available to script code
2141		2894
2142	=pod	2895	=pod
2143		2896
2144	The following functions and methods are available within a safe environment:	2897	The following functions and methods are available within a safe environment:
2145		2898
2146	cf::object contr pay_amount pay_player map	2899	cf::object
		2900	contr pay_amount pay_player map x y force_find force_add
		2901	insert remove name archname title slaying race decrease_ob_nr
		2902
2147	cf::object::player player	2903	cf::object::player
2148	cf::player peaceful	2904	player
2149	cf::map trigger	2905
		2906	cf::player
		2907	peaceful
		2908
		2909	cf::map
		2910	trigger
2150		2911
2151	=cut	2912	=cut
2152		2913
2153	for (	2914	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	2915	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2916	insert remove inv name archname title slaying race
		2917	decrease_ob_nr)],
2155	["cf::object::player" => qw(player)],	2918	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	2919	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	2920	["cf::map" => qw(trigger)],
2158	) {	2921	) {
2159	no strict 'refs';	2922	no strict 'refs';
…		…
2230	=back	2993	=back
2231		2994
2232	=cut	2995	=cut
2233		2996
2234	#############################################################################	2997	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	2998	# the server's init and main functions
2308		2999
2309	sub load_facedata {	3000	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3001	my ($path) = @_;
		3002
		3003	# HACK to clear player env face cache, we need some signal framework
		3004	# for this (global event?)
		3005	%ext::player_env::MUSIC_FACE_CACHE = ();
		3006
		3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3008
2312	warn "loading facedata from $path\n";	3009	warn "loading facedata from $path\n";
2313		3010
2314	my $facedata;	3011	my $facedata;
2315	0 < aio_load $path, $facedata	3012	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3015	$facedata = Coro::Storable::thaw $facedata;
2319		3016
2320	$facedata->{version} == 2	3017	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3018	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3019
		3020	# patch in the exptable
		3021	$facedata->{resource}{"res/exp_table"} = {
		3022	type => FT_RSRC,
		3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3024	};
		3025	cf::cede_to_tick;
		3026
2323	{	3027	{
2324	my $faces = $facedata->{faceinfo};	3028	my $faces = $facedata->{faceinfo};
2325		3029
2326	while (my ($face, $info) = each %$faces) {	3030	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3032	cf::face::set_visibility $idx, $info->{visibility};
		3033	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3036
		3037	cf::cede_to_tick;
2332	}	3038	}
2333		3039
2334	while (my ($face, $info) = each %$faces) {	3040	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3041	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	3042	my $idx = cf::face::find $face
2337	or next;	3043	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3044	if (my $smooth = cf::face::find $info->{smooth}) {
		3045	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3047	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3048	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3049	}
2343	Coro::cede;	3050
		3051	cf::cede_to_tick;
2344	}	3052	}
2345	}	3053	}
2346		3054
2347	{	3055	{
2348	my $anims = $facedata->{animinfo};	3056	my $anims = $facedata->{animinfo};
2349		3057
2350	while (my ($anim, $info) = each %$anims) {	3058	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3059	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3060	cf::cede_to_tick;
2353	}	3061	}
2354		3062
2355	cf::anim::invalidate_all; # d'oh	3063	cf::anim::invalidate_all; # d'oh
2356	}	3064	}
2357		3065
		3066	{
		3067	# TODO: for gcfclient pleasure, we should give resources
		3068	# that gcfclient doesn't grok a >10000 face index.
		3069	my $res = $facedata->{resource};
		3070
		3071	my $soundconf = delete $res->{"res/sound.conf"};
		3072
		3073	while (my ($name, $info) = each %$res) {
		3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3075	my $data;
		3076
		3077	if ($info->{type} & 1) {
		3078	# prepend meta info
		3079
		3080	my $meta = $enc->encode ({
		3081	name => $name,
		3082	%{ $info->{meta} || {} },
		3083	});
		3084
		3085	$data = pack "(w/a*)*", $meta, $info->{data};
		3086	} else {
		3087	$data = $info->{data};
		3088	}
		3089
		3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3091	cf::face::set_type $idx, $info->{type};
		3092
		3093	cf::cede_to_tick;
		3094	}
		3095
		3096	if ($soundconf) {
		3097	$soundconf = $enc->decode (delete $soundconf->{data});
		3098
		3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3100	my $sound = $soundconf->{compat}[$_]
		3101	or next;
		3102
		3103	my $face = cf::face::find "sound/$sound->[1]";
		3104	cf::sound::set $sound->[0] => $face;
		3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3106	}
		3107
		3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3109	my $face = cf::face::find "sound/$v";
		3110	cf::sound::set $k => $face;
		3111	}
		3112	}
		3113	}
		3114
2358	1	3115	1
2359	}	3116	}
2360		3117
		3118	register_exticmd fx_want => sub {
		3119	my ($ns, $want) = @_;
		3120
		3121	while (my ($k, $v) = each %$want) {
		3122	$ns->fx_want ($k, $v);
		3123	}
		3124	};
		3125
		3126	sub reload_regions {
		3127	# HACK to clear player env face cache, we need some signal framework
		3128	# for this (global event?)
		3129	%ext::player_env::MUSIC_FACE_CACHE = ();
		3130
		3131	load_resource_file "$MAPDIR/regions"
		3132	or die "unable to load regions file\n";
		3133
		3134	for (cf::region::list) {
		3135	$_->{match} = qr/$_->{match}/
		3136	if exists $_->{match};
		3137	}
		3138	}
		3139
		3140	sub reload_facedata {
		3141	load_facedata "$DATADIR/facedata"
		3142	or die "unable to load facedata\n";
		3143	}
		3144
		3145	sub reload_archetypes {
		3146	load_resource_file "$DATADIR/archetypes"
		3147	or die "unable to load archetypes\n";
		3148	#d# NEED to laod twice to resolve forward references
		3149	# this really needs to be done in an extra post-pass
		3150	# (which needs to be synchronous, so solve it differently)
		3151	load_resource_file "$DATADIR/archetypes"
		3152	or die "unable to load archetypes\n";
		3153	}
		3154
		3155	sub reload_treasures {
		3156	load_resource_file "$DATADIR/treasures"
		3157	or die "unable to load treasurelists\n";
		3158	}
		3159
2361	sub reload_resources {	3160	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3161	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3162
		3163	reload_regions;
2364	load_facedata	3164	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3165	#reload_archetypes;#d#
		3166	reload_archetypes;
		3167	reload_treasures;
		3168
		3169	warn "finished reloading resource files\n";
2366	}	3170	}
2367		3171
2368	sub init {	3172	sub init {
2369	reload_resources;	3173	reload_resources;
2370	}	3174	}
2371		3175
2372	sub cfg_load {	3176	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3177	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3178	or return;
2375		3179
2376	local $/;	3180	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3181	*CFG = YAML::Syck::Load <$fh>;
2378		3182
…		…
2393	sub main {	3197	sub main {
2394	# we must not ever block the main coroutine	3198	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3199	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3200	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3201	(async {
		3202	$Coro::current->{desc} = "IDLE BUG HANDLER";
2398	Event::one_event;	3203	Event::one_event;
2399	})->prio (Coro::PRIO_MAX);	3204	})->prio (Coro::PRIO_MAX);
2400	};	3205	};
2401		3206
2402	cfg_load;	3207	reload_config;
2403	db_init;	3208	db_init;
2404	load_extensions;	3209	load_extensions;
2405		3210
2406	$TICK_WATCHER->start;	3211	$TICK_WATCHER->start;
2407	Event::loop;	3212	Event::loop;
…		…
2423	},	3228	},
2424	);	3229	);
2425	}	3230	}
2426	}	3231	}
2427		3232
		3233	sub write_runtime {
		3234	my $runtime = "$LOCALDIR/runtime";
		3235
		3236	# first touch the runtime file to show we are still running:
		3237	# the fsync below can take a very very long time.
		3238
		3239	IO::AIO::aio_utime $runtime, undef, undef;
		3240
		3241	my $guard = cf::lock_acquire "write_runtime";
		3242
		3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3244	or return;
		3245
		3246	my $value = $cf::RUNTIME + 90 + 10;
		3247	# 10 is the runtime save interval, for a monotonic clock
		3248	# 60 allows for the watchdog to kill the server.
		3249
		3250	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3251	and return;
		3252
		3253	# always fsync - this file is important
		3254	aio_fsync $fh
		3255	and return;
		3256
		3257	# touch it again to show we are up-to-date
		3258	aio_utime $fh, undef, undef;
		3259
		3260	close $fh
		3261	or return;
		3262
		3263	aio_rename "$runtime~", $runtime
		3264	and return;
		3265
		3266	warn "runtime file written.\n";
		3267
		3268	1
		3269	}
		3270
2428	sub emergency_save() {	3271	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3272	my $freeze_guard = cf::freeze_mainloop;
2430		3273
2431	warn "enter emergency perl save\n";	3274	warn "enter emergency perl save\n";
2432		3275
…		…
2463		3306
2464	warn Carp::longmess "post_cleanup backtrace"	3307	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3308	if $make_core;
2466	}	3309	}
2467		3310
2468	sub reload() {	3311	sub do_reload_perl() {
2469	# can/must only be called in main	3312	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3313	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3314	warn "can only reload from main coroutine";
2472	return;	3315	return;
2473	}	3316	}
…		…
2507	%EXT_CORO = ();	3350	%EXT_CORO = ();
2508		3351
2509	warn "removing commands";	3352	warn "removing commands";
2510	%COMMAND = ();	3353	%COMMAND = ();
2511		3354
2512	warn "removing ext commands";	3355	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3356	%EXTCMD = ();
		3357	%EXTICMD = ();
2514		3358
2515	warn "unloading/nuking all extensions";	3359	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3360	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3361	warn "... unloading $pkg";
2518		3362
…		…
2548	Symbol::delete_package "safe::$_"	3392	Symbol::delete_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3393	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3394
2551	warn "unloading cf.pm \"a bit\"";	3395	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3396	delete $INC{"cf.pm"};
		3397	delete $INC{"cf/pod.pm"};
2553		3398
2554	# don't, removes xs symbols, too,	3399	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3400	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3401	#Symbol::delete_package __PACKAGE__;
2557		3402
…		…
2560	warn "reloading cf.pm";	3405	warn "reloading cf.pm";
2561	require cf;	3406	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3408
2564	warn "loading config and database again";	3409	warn "loading config and database again";
2565	cf::cfg_load;	3410	cf::reload_config;
2566		3411
2567	warn "loading extensions";	3412	warn "loading extensions";
2568	cf::load_extensions;	3413	cf::load_extensions;
2569		3414
2570	warn "reattaching attachments to objects/players";	3415	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3417	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3418	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3419	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3420	reattach $_ for values %PLAYER;
2576		3421
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3422	warn "leaving sync_job";
2581		3423
2582	1	3424	1
2583	} or do {	3425	} or do {
2584	warn $@;	3426	warn $@;
…		…
2589	warn "reloaded";	3431	warn "reloaded";
2590	};	3432	};
2591		3433
2592	our $RELOAD_WATCHER; # used only during reload	3434	our $RELOAD_WATCHER; # used only during reload
2593		3435
		3436	sub reload_perl() {
		3437	# doing reload synchronously and two reloads happen back-to-back,
		3438	# coro crashes during coro_state_free->destroy here.
		3439
		3440	$RELOAD_WATCHER ||= Event->timer (
		3441	reentrant => 0,
		3442	after => 0,
		3443	data => WF_AUTOCANCEL,
		3444	cb => sub {
		3445	do_reload_perl;
		3446	undef $RELOAD_WATCHER;
		3447	},
		3448	);
		3449	}
		3450
2594	register_command "reload" => sub {	3451	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3452	my ($who, $arg) = @_;
2596		3453
2597	if ($who->flag (FLAG_WIZ)) {	3454	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3455	$who->message ("reloading server.");
2599		3456	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3457	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3458	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3459	};
2612	}	3460	}
2613	};	3461	};
2614		3462
2615	unshift @INC, $LIBDIR;	3463	unshift @INC, $LIBDIR;
2616		3464
2617	my $bug_warning = 0;	3465	my $bug_warning = 0;
		3466
		3467	our @WAIT_FOR_TICK;
		3468	our @WAIT_FOR_TICK_BEGIN;
		3469
		3470	sub wait_for_tick {
		3471	return unless $TICK_WATCHER->is_active;
		3472	return if $Coro::current == $Coro::main;
		3473
		3474	my $signal = new Coro::Signal;
		3475	push @WAIT_FOR_TICK, $signal;
		3476	$signal->wait;
		3477	}
		3478
		3479	sub wait_for_tick_begin {
		3480	return unless $TICK_WATCHER->is_active;
		3481	return if $Coro::current == $Coro::main;
		3482
		3483	my $signal = new Coro::Signal;
		3484	push @WAIT_FOR_TICK_BEGIN, $signal;
		3485	$signal->wait;
		3486	}
2618		3487
2619	$TICK_WATCHER = Event->timer (	3488	$TICK_WATCHER = Event->timer (
2620	reentrant => 0,	3489	reentrant => 0,
2621	parked => 1,	3490	parked => 1,
2622	prio => 0,	3491	prio => 0,
…		…
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3497	unless ++$bug_warning > 10;
2629	return;	3498	return;
2630	}	3499	}
2631		3500
2632	$NOW = Event::time;	3501	$NOW = $tick_start = Event::time;
2633		3502
2634	cf::server_tick; # one server iteration	3503	cf::server_tick; # one server iteration
		3504
2635	$RUNTIME += $TICK;	3505	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3506	$NEXT_TICK += $TICK;
2637		3507
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3509	$NEXT_RUNTIME_WRITE = $NOW + 10;
2640	Coro::async_pool {	3510	Coro::async_pool {
		3511	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3512	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3513	or warn "ERROR: unable to write runtime file: $!";
2643	};	3514	};
2644	}	3515	}
2645		3516
2646	$WAIT_FOR_TICK->broadcast;	3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3518	$sig->send;
		3519	}
		3520	while (my $sig = shift @WAIT_FOR_TICK) {
		3521	$sig->send;
		3522	}
2648		3523
2649	# my $AFTER = Event::time;	3524	$NOW = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651		3525
2652	# if we are delayed by four ticks or more, skip them all	3526	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2654		3528
2655	$TICK_WATCHER->at ($NEXT_TICK);	3529	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;	3530	$TICK_WATCHER->start;
		3531
		3532	$LOAD = ($NOW - $tick_start) / $TICK;
		3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3534
		3535	_post_tick;
2657	},	3536	},
2658	);	3537	);
2659		3538
2660	{	3539	{
		3540	BDB::min_parallel 8;
2661	BDB::max_poll_time $TICK * 0.1;	3541	BDB::max_poll_time $TICK * 0.1;
2662	$BDB_POLL_WATCHER = Event->io (	3542	$BDB_POLL_WATCHER = Event->io (
2663	reentrant => 0,	3543	reentrant => 0,
2664	fd => BDB::poll_fileno,	3544	fd => BDB::poll_fileno,
2665	poll => 'r',	3545	poll => 'r',
2666	prio => 0,	3546	prio => 0,
2667	data => WF_AUTOCANCEL,	3547	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,	3548	cb => \&BDB::poll_cb,
2669	);	3549	);
2670	BDB::min_parallel 8;
2671		3550
2672	BDB::set_sync_prepare {	3551	BDB::set_sync_prepare {
2673	my $status;	3552	my $status;
2674	my $current = $Coro::current;	3553	my $current = $Coro::current;
2675	(	3554	(
…		…
2684	)	3563	)
2685	};	3564	};
2686		3565
2687	unless ($DB_ENV) {	3566	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3567	$DB_ENV = BDB::db_env_create;
		3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3569	| BDB::LOG_AUTOREMOVE, 1);
		3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3572
2690	cf::sync_job {	3573	cf::sync_job {
2691	eval {	3574	eval {
2692	BDB::db_env_open	3575	BDB::db_env_open
2693	$DB_ENV,	3576	$DB_ENV,
2694	$BDB_ENV_DIR,	3577	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3580	0666;
2698		3581
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3582	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3583	};
2704		3584
2705	cf::cleanup "db_env_open(db): $@" if $@;	3585	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3586	};
2707	}	3587	}
		3588
		3589	$BDB_DEADLOCK_WATCHER = Event->timer (
		3590	after => 3,
		3591	interval => 1,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3597	},
		3598	);
		3599	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3600	after => 11,
		3601	interval => 60,
		3602	hard => 1,
		3603	prio => 0,
		3604	data => WF_AUTOCANCEL,
		3605	cb => sub {
		3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3607	},
		3608	);
		3609	$BDB_TRICKLE_WATCHER = Event->timer (
		3610	after => 5,
		3611	interval => 10,
		3612	hard => 1,
		3613	prio => 0,
		3614	data => WF_AUTOCANCEL,
		3615	cb => sub {
		3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3617	},
		3618	);
2708	}	3619	}
2709		3620
2710	{	3621	{
2711	IO::AIO::min_parallel 8;	3622	IO::AIO::min_parallel 8;
2712		3623
…		…
2720	prio => 6,	3631	prio => 6,
2721	cb => \&IO::AIO::poll_cb,	3632	cb => \&IO::AIO::poll_cb,
2722	);	3633	);
2723	}	3634	}
2724		3635
		3636	my $_log_backtrace;
		3637
		3638	sub _log_backtrace {
		3639	my ($msg, @addr) = @_;
		3640
		3641	$msg =~ s/\n//;
		3642
		3643	# limit the # of concurrent backtraces
		3644	if ($_log_backtrace < 2) {
		3645	++$_log_backtrace;
		3646	async {
		3647	$Coro::current->{desc} = "abt $msg";
		3648
		3649	my @bt = fork_call {
		3650	@addr = map { sprintf "%x", $_ } @addr;
		3651	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3652	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3653	or die "addr2line: $!";
		3654
		3655	my @funcs;
		3656	my @res = <$fh>;
		3657	chomp for @res;
		3658	while (@res) {
		3659	my ($func, $line) = splice @res, 0, 2, ();
		3660	push @funcs, "[$func] $line";
		3661	}
		3662
		3663	@funcs
		3664	};
		3665
		3666	LOG llevInfo, "[ABT] $msg\n";
		3667	LOG llevInfo, "[ABT] $_\n" for @bt;
		3668	--$_log_backtrace;
		3669	};
		3670	} else {
		3671	LOG llevInfo, "[ABT] $msg\n";
		3672	LOG llevInfo, "[ABT] [suppressed]\n";
		3673	}
		3674	}
		3675
		3676	# load additional modules
		3677	use cf::pod;
		3678
2725	END { cf::emergency_save }	3679	END { cf::emergency_save }
2726		3680
2727	1	3681	1
2728		3682

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